245087479

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{619}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 319424000

約数和(自身を除く): 74336521

約数列:

[1, 7, 13, 19, 91, 133, 229, 247, 619, 1603, 1729, 2977, 4333, 4351, 8047, 11761, 20839, 30457, 56329, 56563, 82327, 141751, 152893, 395941, 992257, 1070251, 1842763, 2693269, 12899341, 18852883, 35012497, 245087479]

約数ペア:

[(1, 245087479), (7, 35012497), (13, 18852883), (19, 12899341), (91, 2693269), (133, 1842763), (229, 1070251), (247, 992257), (619, 395941), (1603, 152893), (1729, 141751), (2977, 82327), (4333, 56563), (4351, 56329), (8047, 30457), (11761, 20839)]